Sensorineural non-syndromic hearing loss is the most common disorder which affects 1 in 500 newborns. Hearing loss is an extremely heterogeneous defect with more than 100 loci identified to date. According to the studies, mutations in GJB2 are estimated to be involved in 50- 80% of autosomal recessive non-syndromic hearing loss cases, but contribution of other loci in this disorder is yet ambig...

Objectives: Quality of life, when referring to an individual’s health, is called health-related quality of life. The purpose of this study is to assess self-perceived hearing loss related quality of life of adolescents with hearing loss and its relationship with sex, age sub-groups or school settings with domains of quality of life. Methods: A school based survey was conducted in Tehra...

background: noise induced hearing loss (nihl) is the highest reported occupational disease among industrial workers but there is scarcity of data on disease burden in malaysia. this study estimated the risks and burden of nihl in manufacturing industries in malaysia. methods: this cross-sectional industrial survey was conducted by interviewing osh practitioners at 26 industries categorized as f...

introduction: hearing is essential for humans to communicate with one another. early diagnosis of hearing loss and intervention in neonates and infants can reduce developmental problems. the aim of the present study was to assess the prevalence of hearing impairment in newborns admitted to a neonatal intensive care unit (nicu) and analyze the associated risk factors.   materials and methods: th...

Introduction:Noise in dental offices is one of the risk factors in the workplace. One of the major effects of noise is hearing loss. This study aimed to determine the effects of noise on hearing thresholds of dentists of Babol city. Methods:This descriptive analytical cross-sectional study was performed on 40 dentists in Babol City (as case group) and 40 office workers (as control group). He...

measurement and analysis of noise level in various frequency bands was carried out in a textile factory. it was shown that the noise level in various working places, particularly in the weaving workshop, was quite excessive comparing to the standards and so, it may very likely result in producing hearing loss in the workers. to determine the hearing loss of the workers due to excessive noise, 1...

120 cases of Iranian soldiers complaining of hearing loss, were studied over a period of three years at the Ghaem Medical Center in Mashad,Iran. There was adequate information in III cases that their engagement in different types of explosions had caused their hearing impairment. The following aspects were evaluated: 1- Categorization of their hearing impairment. 2- The otoscopic findings...

meniere’s disease is the disorder of inner ear characterized by vertigo, tinnitus and sensorineural hearing loss. the vestibular evoked myogenic potential (vemp) test could be useful in the analysis of saccular function, and diagnosis of meniere’s disease. in this study, we’ve analyzed the saccular function, using vemp test in different groups of meniere’s disease. patients were categorized as ...

background exposure to the excessive levels of occupational noise is one of the principal harmful agents affecting the workers’ health. this study aimed to investigate the relationship between the occupational noise exposure and the hearing loss caused by working in small-scale service industries in the city of damavand, close to the metropolitan capital city of tehran, iran. methods this descr...